/* camera_destroy */
static void _camera_destroy(CameraWidget * camera)
{
if(camera->camera != NULL)
camera_delete(camera->camera);
if(camera->window)
gtk_widget_destroy(camera->window);
object_delete(camera);
}
/* camera_new */
Camera * camera_new(GtkWidget * window, GtkAccelGroup * group,
char const * device)
{
Camera * camera;
GtkWidget * vbox;
GtkWidget * widget;
GtkToolItem * toolitem;
if((camera = object_new(sizeof(*camera))) == NULL)
return NULL;
camera->device = (device != NULL)
? string_new(device) : string_new("/dev/video0");
camera->hflip = FALSE;
camera->vflip = FALSE;
camera->ratio = TRUE;
camera->interp = GDK_INTERP_BILINEAR;
camera->snapshot_format = CSF_PNG;
camera->snapshot_quality = 100;
camera->source = 0;
camera->fd = -1;
memset(&camera->cap, 0, sizeof(camera->cap));
camera->channel = NULL;
camera->buffers = NULL;
camera->buffers_cnt = 0;
camera->raw_buffer = NULL;
camera->raw_buffer_cnt = 0;
camera->rgb_buffer = NULL;
camera->rgb_buffer_cnt = 0;
camera->yuv_amp = 255;
camera->overlays = NULL;
camera->overlays_cnt = 0;
camera->widget = NULL;
camera->window = window;
camera->bold = NULL;
camera->gc = NULL;
camera->pr_window = NULL;
camera->pp_window = NULL;
/* check for errors */
if(camera->device == NULL)
{
camera_delete(camera);
return NULL;
}
/* create the window */
camera->bold = pango_font_description_new();
pango_font_description_set_weight(camera->bold, PANGO_WEIGHT_BOLD);
camera->gc = gdk_gc_new(window->window); /* XXX */
#if GTK_CHECK_VERSION(3, 0, 0)
camera->widget = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
#else
camera->widget = gtk_vbox_new(FALSE, 0);
#endif
vbox = camera->widget;
/* toolbar */
widget = desktop_toolbar_create(_camera_toolbar, camera, group);
gtk_widget_set_sensitive(GTK_WIDGET(_camera_toolbar[0].widget), FALSE);
gtk_widget_set_sensitive(GTK_WIDGET(_camera_toolbar[2].widget), FALSE);
gtk_widget_set_sensitive(GTK_WIDGET(_camera_toolbar[4].widget), FALSE);
toolitem = gtk_tool_button_new_from_stock(GTK_STOCK_FULLSCREEN);
g_signal_connect_swapped(toolitem, "clicked", G_CALLBACK(
_camera_on_fullscreen), camera);
gtk_toolbar_insert(GTK_TOOLBAR(widget), toolitem, -1);
gtk_box_pack_start(GTK_BOX(vbox), widget, FALSE, TRUE, 0);
#if GTK_CHECK_VERSION(2, 18, 0)
/* infobar */
camera->infobar = gtk_info_bar_new_with_buttons(GTK_STOCK_CLOSE,
GTK_RESPONSE_CLOSE, NULL);
gtk_info_bar_set_message_type(GTK_INFO_BAR(camera->infobar),
GTK_MESSAGE_ERROR);
g_signal_connect(camera->infobar, "close", G_CALLBACK(gtk_widget_hide),
NULL);
g_signal_connect(camera->infobar, "response", G_CALLBACK(
gtk_widget_hide), NULL);
widget = gtk_info_bar_get_content_area(GTK_INFO_BAR(camera->infobar));
camera->infobar_label = gtk_label_new(NULL);
gtk_widget_show(camera->infobar_label);
gtk_box_pack_start(GTK_BOX(widget), camera->infobar_label, TRUE, TRUE,
0);
gtk_widget_set_no_show_all(camera->infobar, TRUE);
gtk_box_pack_start(GTK_BOX(vbox), camera->infobar, FALSE, TRUE, 0);
#endif
camera->area = gtk_drawing_area_new();
camera->pixmap = NULL;
g_signal_connect(camera->area, "configure-event", G_CALLBACK(
_camera_on_drawing_area_configure), camera);
g_signal_connect(camera->area, "expose-event", G_CALLBACK(
_camera_on_drawing_area_expose), camera);
gtk_box_pack_start(GTK_BOX(vbox), camera->area, TRUE, TRUE, 0);
gtk_widget_show_all(vbox);
camera_start(camera);
return camera;
}
